MCQOPTIONS
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MCQOPTIONS
| 1. |
THE_SHADOW_METHOD_IS_USED_FOR_MEASUREMENT_OF_THE_OUTER_DIAMETER_OF_AN_OPTICAL_FIBER._THE_APPARATUS_EMPLOYS_A_ROTATING_MIRROR_WITH_AN_ANGULAR_VELOCITY_OF_4_RAD/S_WHICH_IS_LOCATED_AT_10_CM_FROM_THE_PHOTO_DETECTOR_._COMPUTE_THE_SHADOW_VELOCITY.?$ |
| A. | 0.1 μm μs<sup>-1</sup> |
| B. | 0.4 μm μs<sup>-1</sup> |
| C. | 0.87 μm μs<sup>-1</sup> |
| D. | 1 μm μs<sup>-1</sup> |
| Answer» C. 0.87 ‚âà√≠¬¨‚à´m ‚âà√≠¬¨‚à´s<sup>-1</sup> | |